Bio 101 Chapter 2

Question 1

What are some features of life?

Answer 1

composed of cells, growth, reproduction, metabolism

Question 2

What are the 4 major groups of organic molecules?

Answer 2

1. carbohydrates
2. proteins
3. lipids
4. nucleic acids

Question 3

What is an example of of a carbohydrate?

Answer 3

DNA, RNA

Question 4

What is an example of proteins?

Answer 4

enzymes, hairs, nails, skin

Question 5

What is an example of lipids?

Answer 5

fat, cholesterol, phospholipids

Question 6

What is an example of nucleic acid?

Answer 6

DNA, RNA

Question 7

What are the “building blocks” of proteins?

Answer 7

Amino acids

Question 8

What is the compound of glucose?

Answer 8

C6H12O6

Question 9

The building block of nucleic acid is what?

Answer 9

Nucleotides

Question 10

The building block of lipids are?

Answer 10

Fatty acids

Question 11

What are the four bases/ nucleotides?

Answer 11

Adenine, Guanine, Thymine and Cytosine

Question 12

What pairs with Adenine?

Answer 12

Thymine

Question 13

What always pairs with Guanine?

Answer 13

Cytosine

Question 14

What does phosphate+sugar+nitrogenous base create?

Answer 14

A nucleotide

Question 15

Steroids are counted as what?
amino acids,
proteins,
lipid,
carbohydrates,

Answer 15

Lipid

Question 16

Starch, sucrose and cellulose are a what?
protein,
amino acid,
lipid,
carbohydrate

Answer 16

carbohydrate

Question 17

what is a very common enzyme and what do they always end in?

Answer 17

(ase) and lactase

Question 18

What is the function of an enzyme?

Answer 18

enzymes help speed up chemical reactions in the human body.